Designation:D5784/D5784M−18StandardGuideforUseofHollow-StemAugersforGeoenvironmentalExplorationandtheInstallationofSubsurfaceWaterQualityMonitoringDevices1ThisstandardisissuedunderthefixeddesignationD5784/D5784M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisguidecovershowhollow-stemauger-drillingsys-temsmaybeusedforgeoenvironmentalexplorationandinstallationofsubsurfacewaterqualitymonitoringdevices.1.2Hollow-stemaugerdrillingforgeoenvironmentalexplo-rationandmonitoringdeviceinstallationsofteninvolvessafetyplanning,administration,anddocumentation.Thisguidedoesnotpurporttospecificallyaddressexplorationandsitesafety.NOTE1—Thisguidedoesnotincludeconsiderationsforgeotechnicalsitecharacterizationsthatareaddressedinaseparateguide.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepre-sentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject’smanyuniqueaspects.Theword“Standard”inthetitleofthisdo...